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<div class="title">/opt/GoogleCode/popot/trunk/popot-2.01/src/problems.h</div>  </div>
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<a href="problems_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="preprocessor">#ifndef POPOT_PROBLEMS_H</span>
<a name="l00002"></a>00002 <span class="preprocessor"></span><span class="preprocessor">#define POPOT_PROBLEMS_H</span>
<a name="l00003"></a>00003 <span class="preprocessor"></span>
<a name="l00004"></a>00004 <span class="keyword">namespace </span>popot
<a name="l00005"></a>00005 {
<a name="l00006"></a>00006 
<a name="l00010"></a><a class="code" href="namespacepopot_1_1problems.html">00010</a>   <span class="keyword">namespace </span>problems
<a name="l00011"></a>00011   {
<a name="l00017"></a>00017     <span class="keyword">class </span><a class="code" href="classpopot_1_1problems_1_1Ackley.html" title=" Bounds [-30; 30]">Ackley</a>
<a name="l00018"></a>00018     {
<a name="l00019"></a>00019     <span class="keyword">public</span>:
<a name="l00020"></a><a class="code" href="classpopot_1_1problems_1_1Ackley.html#a3d7ab3d3c58adad61f8656bef2fb3480">00020</a>       <span class="keywordtype">size_t</span> <span class="keyword">const</span> <a class="code" href="classpopot_1_1problems_1_1Ackley.html#a3d7ab3d3c58adad61f8656bef2fb3480">dimension</a>;
<a name="l00021"></a><a class="code" href="classpopot_1_1problems_1_1Ackley.html#ac1dbb10b58fa1b1b7e704344cde99f5b">00021</a>       <span class="keywordtype">size_t</span> <a class="code" href="classpopot_1_1problems_1_1Ackley.html#ac1dbb10b58fa1b1b7e704344cde99f5b">count</a>;
<a name="l00022"></a>00022 
<a name="l00023"></a><a class="code" href="classpopot_1_1problems_1_1Ackley.html#a176a6663abc6e301f4efe7a9719a54bf">00023</a>     <a class="code" href="classpopot_1_1problems_1_1Ackley.html#a176a6663abc6e301f4efe7a9719a54bf">Ackley</a>(<span class="keywordtype">int</span> <a class="code" href="classpopot_1_1problems_1_1Ackley.html#a3d7ab3d3c58adad61f8656bef2fb3480">dimension</a>) : dimension(dimension), <a class="code" href="classpopot_1_1problems_1_1Ackley.html#ac1dbb10b58fa1b1b7e704344cde99f5b">count</a>(0){}
<a name="l00024"></a>00024 
<a name="l00025"></a><a class="code" href="classpopot_1_1problems_1_1Ackley.html#a7908564092e39c39a0b93977e54d38ca">00025</a>       <span class="keywordtype">double</span> <a class="code" href="classpopot_1_1problems_1_1Ackley.html#a7908564092e39c39a0b93977e54d38ca">get_lbound</a>(<span class="keywordtype">size_t</span> index)
<a name="l00026"></a>00026       {
<a name="l00027"></a>00027         <span class="keywordflow">return</span> -32.0;
<a name="l00028"></a>00028       }
<a name="l00029"></a>00029 
<a name="l00030"></a><a class="code" href="classpopot_1_1problems_1_1Ackley.html#af41a117f5c9d1bbd6bcdca4cba5450d7">00030</a>       <span class="keywordtype">double</span> <a class="code" href="classpopot_1_1problems_1_1Ackley.html#af41a117f5c9d1bbd6bcdca4cba5450d7">get_ubound</a>(<span class="keywordtype">size_t</span> index)
<a name="l00031"></a>00031       {
<a name="l00032"></a>00032         <span class="keywordflow">return</span> 32.0;
<a name="l00033"></a>00033       }
<a name="l00034"></a>00034 
<a name="l00035"></a><a class="code" href="classpopot_1_1problems_1_1Ackley.html#a76ad08f9be8ee5a120734ab484a2d72a">00035</a>       <span class="keywordtype">bool</span> <a class="code" href="classpopot_1_1problems_1_1Ackley.html#a76ad08f9be8ee5a120734ab484a2d72a">stop</a>(<span class="keywordtype">double</span> fitness, <span class="keywordtype">size_t</span> epoch)
<a name="l00036"></a>00036       {
<a name="l00037"></a>00037         <span class="keywordflow">return</span> (fitness &lt;= 1e-4) || (<a class="code" href="classpopot_1_1problems_1_1Ackley.html#ac1dbb10b58fa1b1b7e704344cde99f5b">count</a> &gt;= 10000*<a class="code" href="classpopot_1_1problems_1_1Ackley.html#a3d7ab3d3c58adad61f8656bef2fb3480">dimension</a>);
<a name="l00038"></a>00038       }
<a name="l00039"></a>00039 
<a name="l00040"></a><a class="code" href="classpopot_1_1problems_1_1Ackley.html#a5ff91c6a6dd38a4bf65f602fdac950a5">00040</a>       <span class="keywordtype">double</span> <a class="code" href="classpopot_1_1problems_1_1Ackley.html#a5ff91c6a6dd38a4bf65f602fdac950a5">evaluate</a>(<span class="keywordtype">void</span> * x)
<a name="l00041"></a>00041       {
<a name="l00042"></a>00042         <span class="keywordtype">double</span> * params = (<span class="keywordtype">double</span>*) x;
<a name="l00043"></a>00043         <a class="code" href="classpopot_1_1problems_1_1Ackley.html#ac1dbb10b58fa1b1b7e704344cde99f5b">count</a>++;
<a name="l00044"></a>00044         <span class="keywordtype">double</span> fit = 0.0;
<a name="l00045"></a>00045         <span class="keywordtype">double</span> cos_x = 0.0;
<a name="l00046"></a>00046         <span class="keywordtype">double</span> sq_x = 0.0;
<a name="l00047"></a>00047         <span class="keywordflow">for</span>(<span class="keywordtype">size_t</span> i = 0 ; i &lt; <a class="code" href="classpopot_1_1problems_1_1Ackley.html#a3d7ab3d3c58adad61f8656bef2fb3480">dimension</a> ; ++i)
<a name="l00048"></a>00048           {
<a name="l00049"></a>00049             sq_x += pow(params[i],2.0);
<a name="l00050"></a>00050             cos_x += cos(2.0 * M_PI * params[i]);
<a name="l00051"></a>00051           }
<a name="l00052"></a>00052         fit = 20.0 * (1.0 - exp(-0.2 * sqrt(1.0/<span class="keywordtype">double</span>(dimension) * sq_x)))
<a name="l00053"></a>00053           + exp(1) - exp(1.0 / <span class="keywordtype">double</span>(dimension) * cos_x);
<a name="l00054"></a>00054         <span class="keywordflow">return</span> fit;
<a name="l00055"></a>00055       }
<a name="l00056"></a>00056     };
<a name="l00057"></a>00057 
<a name="l00063"></a>00063     <span class="keyword">class </span>Quadric
<a name="l00064"></a>00064     {
<a name="l00065"></a>00065     <span class="keyword">public</span>:
<a name="l00066"></a><a class="code" href="classpopot_1_1problems_1_1Quadric.html#a866f3ff98269ff2402b1c897d8e9e349">00066</a>       <span class="keywordtype">size_t</span> <span class="keyword">const</span> <a class="code" href="classpopot_1_1problems_1_1Quadric.html#a866f3ff98269ff2402b1c897d8e9e349">dimension</a>;
<a name="l00067"></a><a class="code" href="classpopot_1_1problems_1_1Quadric.html#af6e05a8128bcbd67f5b718c20f3b1e32">00067</a>       <span class="keywordtype">size_t</span> <a class="code" href="classpopot_1_1problems_1_1Quadric.html#af6e05a8128bcbd67f5b718c20f3b1e32">count</a>;
<a name="l00068"></a>00068 
<a name="l00069"></a><a class="code" href="classpopot_1_1problems_1_1Quadric.html#aa2b281f66194dc383fb16f4face6a911">00069</a>     <a class="code" href="classpopot_1_1problems_1_1Quadric.html#aa2b281f66194dc383fb16f4face6a911">Quadric</a>(<span class="keywordtype">int</span> <a class="code" href="classpopot_1_1problems_1_1Quadric.html#a866f3ff98269ff2402b1c897d8e9e349">dimension</a>) : dimension(dimension), <a class="code" href="classpopot_1_1problems_1_1Quadric.html#af6e05a8128bcbd67f5b718c20f3b1e32">count</a>(0) {}
<a name="l00070"></a>00070 
<a name="l00071"></a>00071 
<a name="l00072"></a><a class="code" href="classpopot_1_1problems_1_1Quadric.html#a92c4d2a94bb95ebb3b4c9bdce0f21c4a">00072</a>       <span class="keywordtype">double</span> <a class="code" href="classpopot_1_1problems_1_1Quadric.html#a92c4d2a94bb95ebb3b4c9bdce0f21c4a">get_lbound</a>(<span class="keywordtype">size_t</span> index)
<a name="l00073"></a>00073       {
<a name="l00074"></a>00074         <span class="keywordflow">return</span> -100;
<a name="l00075"></a>00075       }
<a name="l00076"></a>00076 
<a name="l00077"></a><a class="code" href="classpopot_1_1problems_1_1Quadric.html#a71fd8436f919aec3b95899ee5e91c400">00077</a>       <span class="keywordtype">double</span> <a class="code" href="classpopot_1_1problems_1_1Quadric.html#a71fd8436f919aec3b95899ee5e91c400">get_ubound</a>(<span class="keywordtype">size_t</span> index)
<a name="l00078"></a>00078       {
<a name="l00079"></a>00079         <span class="keywordflow">return</span> 100;
<a name="l00080"></a>00080       }
<a name="l00081"></a>00081 
<a name="l00082"></a><a class="code" href="classpopot_1_1problems_1_1Quadric.html#a8f8fdd22a87dcf8b747fd801424b5cd7">00082</a>       <span class="keywordtype">bool</span> <a class="code" href="classpopot_1_1problems_1_1Quadric.html#a8f8fdd22a87dcf8b747fd801424b5cd7">stop</a>(<span class="keywordtype">double</span> fitness, <span class="keywordtype">size_t</span> epoch)
<a name="l00083"></a>00083       {
<a name="l00084"></a>00084         <span class="keywordflow">return</span> (fitness &lt;= 1e-4) || (<a class="code" href="classpopot_1_1problems_1_1Quadric.html#af6e05a8128bcbd67f5b718c20f3b1e32">count</a> &gt;= 10000*<a class="code" href="classpopot_1_1problems_1_1Quadric.html#a866f3ff98269ff2402b1c897d8e9e349">dimension</a>);
<a name="l00085"></a>00085       }
<a name="l00086"></a>00086 
<a name="l00087"></a><a class="code" href="classpopot_1_1problems_1_1Quadric.html#a9651f9fe1b5e8816d215d93eb79fa3e0">00087</a>       <span class="keywordtype">double</span> <a class="code" href="classpopot_1_1problems_1_1Quadric.html#a9651f9fe1b5e8816d215d93eb79fa3e0">evaluate</a>(<span class="keywordtype">void</span> * x)
<a name="l00088"></a>00088       {
<a name="l00089"></a>00089         <span class="keywordtype">double</span> * params = (<span class="keywordtype">double</span>*) x;
<a name="l00090"></a>00090         <a class="code" href="classpopot_1_1problems_1_1Quadric.html#af6e05a8128bcbd67f5b718c20f3b1e32">count</a>++;
<a name="l00091"></a>00091         <span class="keywordtype">double</span> fit = 0.0;
<a name="l00092"></a>00092         <span class="keywordtype">double</span> tmp_fit = 0.0;
<a name="l00093"></a>00093         <span class="keywordflow">for</span>(<span class="keywordtype">size_t</span> i = 0 ; i &lt; <a class="code" href="classpopot_1_1problems_1_1Quadric.html#a866f3ff98269ff2402b1c897d8e9e349">dimension</a> ; ++i)
<a name="l00094"></a>00094           {
<a name="l00095"></a>00095             tmp_fit += params[i];
<a name="l00096"></a>00096             fit += tmp_fit*tmp_fit;
<a name="l00097"></a>00097           }
<a name="l00098"></a>00098         <span class="keywordflow">return</span> fit;
<a name="l00099"></a>00099       }
<a name="l00100"></a>00100     };
<a name="l00101"></a>00101 
<a name="l00102"></a>00102 
<a name="l00108"></a>00108     <span class="keyword">class </span>Griewank
<a name="l00109"></a>00109     {
<a name="l00110"></a>00110     <span class="keyword">public</span>:
<a name="l00111"></a><a class="code" href="classpopot_1_1problems_1_1Griewank.html#a37bdfa92e39823126f20120ccdd25710">00111</a>       <span class="keywordtype">size_t</span> <span class="keyword">const</span> <a class="code" href="classpopot_1_1problems_1_1Griewank.html#a37bdfa92e39823126f20120ccdd25710">dimension</a>;
<a name="l00112"></a><a class="code" href="classpopot_1_1problems_1_1Griewank.html#aa48d53ce835f58c020195270d9460c2d">00112</a>       <span class="keywordtype">size_t</span> <a class="code" href="classpopot_1_1problems_1_1Griewank.html#aa48d53ce835f58c020195270d9460c2d">count</a>;
<a name="l00113"></a>00113 
<a name="l00114"></a><a class="code" href="classpopot_1_1problems_1_1Griewank.html#a6efe27b6a67a7bad9ccffe25f2dfcad7">00114</a>     <a class="code" href="classpopot_1_1problems_1_1Griewank.html#a6efe27b6a67a7bad9ccffe25f2dfcad7">Griewank</a>(<span class="keywordtype">int</span> <a class="code" href="classpopot_1_1problems_1_1Griewank.html#a37bdfa92e39823126f20120ccdd25710">dimension</a>) : dimension(dimension), <a class="code" href="classpopot_1_1problems_1_1Griewank.html#aa48d53ce835f58c020195270d9460c2d">count</a>(0) {}
<a name="l00115"></a>00115 
<a name="l00116"></a><a class="code" href="classpopot_1_1problems_1_1Griewank.html#a1ed94469dd6ea577ea4965b009db8a53">00116</a>       <span class="keywordtype">double</span> <a class="code" href="classpopot_1_1problems_1_1Griewank.html#a1ed94469dd6ea577ea4965b009db8a53">get_lbound</a>(<span class="keywordtype">size_t</span> index)
<a name="l00117"></a>00117       {
<a name="l00118"></a>00118         <span class="keywordflow">return</span> -600;
<a name="l00119"></a>00119       }
<a name="l00120"></a>00120 
<a name="l00121"></a><a class="code" href="classpopot_1_1problems_1_1Griewank.html#ac5d8ef7e085f4fe4e0fc4ccb277b1852">00121</a>       <span class="keywordtype">double</span> <a class="code" href="classpopot_1_1problems_1_1Griewank.html#ac5d8ef7e085f4fe4e0fc4ccb277b1852">get_ubound</a>(<span class="keywordtype">size_t</span> index)
<a name="l00122"></a>00122       {
<a name="l00123"></a>00123         <span class="keywordflow">return</span> 600;
<a name="l00124"></a>00124       }
<a name="l00125"></a>00125 
<a name="l00126"></a><a class="code" href="classpopot_1_1problems_1_1Griewank.html#a9526734c3ae607a1e035802f94b8a227">00126</a>       <span class="keywordtype">bool</span> <a class="code" href="classpopot_1_1problems_1_1Griewank.html#a9526734c3ae607a1e035802f94b8a227">stop</a>(<span class="keywordtype">double</span> fitness, <span class="keywordtype">size_t</span> epoch)
<a name="l00127"></a>00127       {
<a name="l00128"></a>00128         <span class="keywordflow">return</span> (fitness &lt;= 1e-4) || (<a class="code" href="classpopot_1_1problems_1_1Griewank.html#aa48d53ce835f58c020195270d9460c2d">count</a> &gt;= 10000*<a class="code" href="classpopot_1_1problems_1_1Griewank.html#a37bdfa92e39823126f20120ccdd25710">dimension</a>);
<a name="l00129"></a>00129       }
<a name="l00130"></a>00130 
<a name="l00131"></a><a class="code" href="classpopot_1_1problems_1_1Griewank.html#a19c5f1c01697019aa23c0137110a7daa">00131</a>       <span class="keywordtype">double</span> <a class="code" href="classpopot_1_1problems_1_1Griewank.html#a19c5f1c01697019aa23c0137110a7daa">evaluate</a>(<span class="keywordtype">void</span> * x)
<a name="l00132"></a>00132       {
<a name="l00133"></a>00133         <span class="keywordtype">double</span> * params = (<span class="keywordtype">double</span>*) x;
<a name="l00134"></a>00134         <a class="code" href="classpopot_1_1problems_1_1Griewank.html#aa48d53ce835f58c020195270d9460c2d">count</a>++;
<a name="l00135"></a>00135         <span class="keywordtype">double</span> fit = 0.0;
<a name="l00136"></a>00136         <span class="keywordtype">double</span> cos_x = 1.0;
<a name="l00137"></a>00137         <span class="keywordtype">double</span> sq_x = 0.0;
<a name="l00138"></a>00138         <span class="keywordflow">for</span>(<span class="keywordtype">size_t</span> i = 0 ; i &lt; <a class="code" href="classpopot_1_1problems_1_1Griewank.html#a37bdfa92e39823126f20120ccdd25710">dimension</a> ; ++i)
<a name="l00139"></a>00139           {
<a name="l00140"></a>00140             sq_x += pow(params[i],2.0);
<a name="l00141"></a>00141             cos_x *= cos(params[i]/sqrt(<span class="keywordtype">double</span>(i+1)));
<a name="l00142"></a>00142           }
<a name="l00143"></a>00143         fit = 1.0 + 1.0/4000.0 * sq_x - cos_x;
<a name="l00144"></a>00144         <span class="keywordflow">return</span> fit;
<a name="l00145"></a>00145       }
<a name="l00146"></a>00146     };
<a name="l00147"></a>00147 
<a name="l00153"></a>00153     <span class="keyword">class </span>Sphere
<a name="l00154"></a>00154     {
<a name="l00155"></a>00155     <span class="keyword">public</span>:
<a name="l00156"></a><a class="code" href="classpopot_1_1problems_1_1Sphere.html#a1c655ebe2a2ea47cc707a3c7bf6f3e49">00156</a>       <span class="keywordtype">size_t</span> <span class="keyword">const</span> <a class="code" href="classpopot_1_1problems_1_1Sphere.html#a1c655ebe2a2ea47cc707a3c7bf6f3e49">dimension</a>;
<a name="l00157"></a><a class="code" href="classpopot_1_1problems_1_1Sphere.html#a51b97c2278a2d3aeb724b2e4f9dd3d03">00157</a>       <span class="keywordtype">size_t</span> <a class="code" href="classpopot_1_1problems_1_1Sphere.html#a51b97c2278a2d3aeb724b2e4f9dd3d03">count</a>;
<a name="l00158"></a>00158 
<a name="l00159"></a><a class="code" href="classpopot_1_1problems_1_1Sphere.html#a9f0187e7214896b0f7de058dc67d951f">00159</a>     <a class="code" href="classpopot_1_1problems_1_1Sphere.html#a9f0187e7214896b0f7de058dc67d951f">Sphere</a>(<span class="keywordtype">int</span> <a class="code" href="classpopot_1_1problems_1_1Sphere.html#a1c655ebe2a2ea47cc707a3c7bf6f3e49">dimension</a>) : dimension(dimension), <a class="code" href="classpopot_1_1problems_1_1Sphere.html#a51b97c2278a2d3aeb724b2e4f9dd3d03">count</a>(0) {}
<a name="l00160"></a>00160 
<a name="l00161"></a><a class="code" href="classpopot_1_1problems_1_1Sphere.html#afc3d3c7a6aa383b6124b3325d027222e">00161</a>       <span class="keywordtype">double</span> <a class="code" href="classpopot_1_1problems_1_1Sphere.html#afc3d3c7a6aa383b6124b3325d027222e">get_lbound</a>(<span class="keywordtype">size_t</span> index)
<a name="l00162"></a>00162       {
<a name="l00163"></a>00163         <span class="keywordflow">return</span> -100;
<a name="l00164"></a>00164       }
<a name="l00165"></a>00165 
<a name="l00166"></a><a class="code" href="classpopot_1_1problems_1_1Sphere.html#ac0f46b8be91340927f64f78891f4bd28">00166</a>       <span class="keywordtype">double</span> <a class="code" href="classpopot_1_1problems_1_1Sphere.html#ac0f46b8be91340927f64f78891f4bd28">get_ubound</a>(<span class="keywordtype">size_t</span> index)
<a name="l00167"></a>00167       {
<a name="l00168"></a>00168         <span class="keywordflow">return</span> 100;
<a name="l00169"></a>00169       }
<a name="l00170"></a>00170 
<a name="l00171"></a><a class="code" href="classpopot_1_1problems_1_1Sphere.html#a2b89a61d0a6e6853bcc47b5abce9e52b">00171</a>       <span class="keywordtype">bool</span> <a class="code" href="classpopot_1_1problems_1_1Sphere.html#a2b89a61d0a6e6853bcc47b5abce9e52b">stop</a>(<span class="keywordtype">double</span> fitness, <span class="keywordtype">size_t</span> epoch)
<a name="l00172"></a>00172       {
<a name="l00173"></a>00173         <span class="keywordflow">return</span> (fitness &lt;= 1e-4) || (<a class="code" href="classpopot_1_1problems_1_1Sphere.html#a51b97c2278a2d3aeb724b2e4f9dd3d03">count</a> &gt;= 10000*<a class="code" href="classpopot_1_1problems_1_1Sphere.html#a1c655ebe2a2ea47cc707a3c7bf6f3e49">dimension</a>);
<a name="l00174"></a>00174       }
<a name="l00175"></a>00175 
<a name="l00176"></a><a class="code" href="classpopot_1_1problems_1_1Sphere.html#a6faed92af79621a3403be441db35cd9a">00176</a>       <span class="keywordtype">double</span> <a class="code" href="classpopot_1_1problems_1_1Sphere.html#a6faed92af79621a3403be441db35cd9a">evaluate</a>(<span class="keywordtype">void</span> * x)
<a name="l00177"></a>00177       {
<a name="l00178"></a>00178         <span class="keywordtype">double</span> * params = (<span class="keywordtype">double</span>*) x;
<a name="l00179"></a>00179         <a class="code" href="classpopot_1_1problems_1_1Sphere.html#a51b97c2278a2d3aeb724b2e4f9dd3d03">count</a>++;
<a name="l00180"></a>00180         <span class="keywordtype">double</span> fit = 0.0;
<a name="l00181"></a>00181         <span class="keywordflow">for</span>(<span class="keywordtype">size_t</span> i = 0 ; i &lt; <a class="code" href="classpopot_1_1problems_1_1Sphere.html#a1c655ebe2a2ea47cc707a3c7bf6f3e49">dimension</a> ; ++i)
<a name="l00182"></a>00182           fit += pow(params[i],2.0);
<a name="l00183"></a>00183         <span class="keywordflow">return</span> fit;
<a name="l00184"></a>00184       }
<a name="l00185"></a>00185     };
<a name="l00186"></a>00186 
<a name="l00192"></a>00192     <span class="keyword">class </span>QuarticNoise
<a name="l00193"></a>00193     { 
<a name="l00194"></a>00194     <span class="keyword">public</span>:
<a name="l00195"></a><a class="code" href="classpopot_1_1problems_1_1QuarticNoise.html#a193359375fed2ec3489e14d875204e5c">00195</a>       <span class="keywordtype">size_t</span> <span class="keyword">const</span> <a class="code" href="classpopot_1_1problems_1_1QuarticNoise.html#a193359375fed2ec3489e14d875204e5c">dimension</a>;
<a name="l00196"></a><a class="code" href="classpopot_1_1problems_1_1QuarticNoise.html#ac43525fd1ff242f0524deaded71cbb49">00196</a>       <span class="keywordtype">size_t</span> <a class="code" href="classpopot_1_1problems_1_1QuarticNoise.html#ac43525fd1ff242f0524deaded71cbb49">count</a>;
<a name="l00197"></a>00197 
<a name="l00198"></a><a class="code" href="classpopot_1_1problems_1_1QuarticNoise.html#ae2ac11627fbf31663bbe361b09dc0298">00198</a>     <a class="code" href="classpopot_1_1problems_1_1QuarticNoise.html#ae2ac11627fbf31663bbe361b09dc0298">QuarticNoise</a>(<span class="keywordtype">int</span> <a class="code" href="classpopot_1_1problems_1_1QuarticNoise.html#a193359375fed2ec3489e14d875204e5c">dimension</a>) : dimension(dimension), <a class="code" href="classpopot_1_1problems_1_1QuarticNoise.html#ac43525fd1ff242f0524deaded71cbb49">count</a>(0) {}
<a name="l00199"></a>00199 
<a name="l00200"></a><a class="code" href="classpopot_1_1problems_1_1QuarticNoise.html#ad8fba4a3bcf019d42a67611a48af8095">00200</a>       <span class="keywordtype">double</span> <a class="code" href="classpopot_1_1problems_1_1QuarticNoise.html#ad8fba4a3bcf019d42a67611a48af8095">get_lbound</a>(<span class="keywordtype">size_t</span> index)
<a name="l00201"></a>00201       {
<a name="l00202"></a>00202         <span class="keywordflow">return</span> 1.28;
<a name="l00203"></a>00203       }
<a name="l00204"></a>00204 
<a name="l00205"></a><a class="code" href="classpopot_1_1problems_1_1QuarticNoise.html#a1f1970e16910559442fcd29725ac2c23">00205</a>       <span class="keywordtype">double</span> <a class="code" href="classpopot_1_1problems_1_1QuarticNoise.html#a1f1970e16910559442fcd29725ac2c23">get_ubound</a>(<span class="keywordtype">size_t</span> index)
<a name="l00206"></a>00206       {
<a name="l00207"></a>00207         <span class="keywordflow">return</span> -1.28;
<a name="l00208"></a>00208       }
<a name="l00209"></a>00209 
<a name="l00210"></a><a class="code" href="classpopot_1_1problems_1_1QuarticNoise.html#af14233060b45f3174d8214e04ab35414">00210</a>       <span class="keywordtype">bool</span> <a class="code" href="classpopot_1_1problems_1_1QuarticNoise.html#af14233060b45f3174d8214e04ab35414">stop</a>(<span class="keywordtype">double</span> fitness, <span class="keywordtype">size_t</span> epoch)
<a name="l00211"></a>00211       {
<a name="l00212"></a>00212         <span class="keywordflow">return</span> (fitness &lt;= 1e-4) || (<a class="code" href="classpopot_1_1problems_1_1QuarticNoise.html#ac43525fd1ff242f0524deaded71cbb49">count</a> &gt;= 10000*<a class="code" href="classpopot_1_1problems_1_1QuarticNoise.html#a193359375fed2ec3489e14d875204e5c">dimension</a>);
<a name="l00213"></a>00213       }
<a name="l00214"></a>00214 
<a name="l00215"></a><a class="code" href="classpopot_1_1problems_1_1QuarticNoise.html#a320a8492bea7ccddec0d97d5f8087bff">00215</a>       <span class="keywordtype">double</span> <a class="code" href="classpopot_1_1problems_1_1QuarticNoise.html#a320a8492bea7ccddec0d97d5f8087bff">evaluate</a>(<span class="keywordtype">void</span> * x)
<a name="l00216"></a>00216       {
<a name="l00217"></a>00217         <span class="keywordtype">double</span> * params = (<span class="keywordtype">double</span>*) x;
<a name="l00218"></a>00218         <a class="code" href="classpopot_1_1problems_1_1QuarticNoise.html#ac43525fd1ff242f0524deaded71cbb49">count</a>++;
<a name="l00219"></a>00219         <span class="keywordtype">double</span> fit = 0.0;
<a name="l00220"></a>00220         <span class="keywordflow">for</span>(<span class="keywordtype">size_t</span> i = 0 ; i &lt; <a class="code" href="classpopot_1_1problems_1_1QuarticNoise.html#a193359375fed2ec3489e14d875204e5c">dimension</a> ; ++i)
<a name="l00221"></a>00221           fit += <span class="keywordtype">double</span>(i+1)*pow(params[i],4.0) + <a class="code" href="namespacepopot_1_1initializer_1_1position.html#a76bfea94ffddf8b069755537a05f1bab">popot::math::uniform_random</a>(0.0,1.0);
<a name="l00222"></a>00222         <span class="keywordflow">return</span> fit;
<a name="l00223"></a>00223       }
<a name="l00224"></a>00224     };
<a name="l00225"></a>00225 
<a name="l00231"></a>00231     <span class="keyword">class </span>Rastrigin
<a name="l00232"></a>00232     {
<a name="l00233"></a>00233     <span class="keyword">public</span>:
<a name="l00234"></a><a class="code" href="classpopot_1_1problems_1_1Rastrigin.html#a5f7af2002f79e946c5e293bf0d3a980f">00234</a>       <span class="keywordtype">size_t</span> <span class="keyword">const</span> <a class="code" href="classpopot_1_1problems_1_1Rastrigin.html#a5f7af2002f79e946c5e293bf0d3a980f">dimension</a>;
<a name="l00235"></a><a class="code" href="classpopot_1_1problems_1_1Rastrigin.html#a2c4700d0c2532c15e5ff713d3214c492">00235</a>       <span class="keywordtype">size_t</span> <a class="code" href="classpopot_1_1problems_1_1Rastrigin.html#a2c4700d0c2532c15e5ff713d3214c492">count</a>;
<a name="l00236"></a>00236 
<a name="l00237"></a><a class="code" href="classpopot_1_1problems_1_1Rastrigin.html#a25303dc80121254ff6b7cb5b3a2f138e">00237</a>     <a class="code" href="classpopot_1_1problems_1_1Rastrigin.html#a25303dc80121254ff6b7cb5b3a2f138e">Rastrigin</a>(<span class="keywordtype">int</span> <a class="code" href="classpopot_1_1problems_1_1Rastrigin.html#a5f7af2002f79e946c5e293bf0d3a980f">dimension</a>) : dimension(dimension), <a class="code" href="classpopot_1_1problems_1_1Rastrigin.html#a2c4700d0c2532c15e5ff713d3214c492">count</a>(0) {}
<a name="l00238"></a>00238 
<a name="l00239"></a><a class="code" href="classpopot_1_1problems_1_1Rastrigin.html#a911227a67af6e41b7dd963d900100b29">00239</a>       <span class="keywordtype">double</span> <a class="code" href="classpopot_1_1problems_1_1Rastrigin.html#a911227a67af6e41b7dd963d900100b29">get_lbound</a>(<span class="keywordtype">size_t</span> index)
<a name="l00240"></a>00240       {
<a name="l00241"></a>00241         <span class="keywordflow">if</span>(index &lt; 0 || index &gt;= <a class="code" href="classpopot_1_1problems_1_1Rastrigin.html#a5f7af2002f79e946c5e293bf0d3a980f">dimension</a>)
<a name="l00242"></a>00242           <span class="keywordflow">throw</span> <a class="code" href="classpopot_1_1Exception_1_1IndexOutOfRange.html">popot::Exception::IndexOutOfRange</a>(index, <a class="code" href="classpopot_1_1problems_1_1Rastrigin.html#a5f7af2002f79e946c5e293bf0d3a980f">dimension</a>);
<a name="l00243"></a>00243               
<a name="l00244"></a>00244         <span class="keywordflow">return</span> -5.12;
<a name="l00245"></a>00245       }
<a name="l00246"></a>00246 
<a name="l00247"></a><a class="code" href="classpopot_1_1problems_1_1Rastrigin.html#aee5ac89d25d3f803dacdbfeb718052ec">00247</a>       <span class="keywordtype">double</span> <a class="code" href="classpopot_1_1problems_1_1Rastrigin.html#aee5ac89d25d3f803dacdbfeb718052ec">get_ubound</a>(<span class="keywordtype">size_t</span> index)
<a name="l00248"></a>00248       {
<a name="l00249"></a>00249         <span class="keywordflow">if</span>(index &lt; 0 || index &gt;= <a class="code" href="classpopot_1_1problems_1_1Rastrigin.html#a5f7af2002f79e946c5e293bf0d3a980f">dimension</a>)
<a name="l00250"></a>00250           <span class="keywordflow">throw</span> <a class="code" href="classpopot_1_1Exception_1_1IndexOutOfRange.html">popot::Exception::IndexOutOfRange</a>(index, <a class="code" href="classpopot_1_1problems_1_1Rastrigin.html#a5f7af2002f79e946c5e293bf0d3a980f">dimension</a>);
<a name="l00251"></a>00251               
<a name="l00252"></a>00252         <span class="keywordflow">return</span> 5.12;
<a name="l00253"></a>00253       }
<a name="l00254"></a>00254 
<a name="l00255"></a><a class="code" href="classpopot_1_1problems_1_1Rastrigin.html#acccb57f1ddcbb2f21b6f5c16aaf7acd4">00255</a>       <span class="keywordtype">bool</span> <a class="code" href="classpopot_1_1problems_1_1Rastrigin.html#acccb57f1ddcbb2f21b6f5c16aaf7acd4">stop</a>(<span class="keywordtype">double</span> fitness, <span class="keywordtype">size_t</span> epoch)
<a name="l00256"></a>00256       {
<a name="l00257"></a>00257         <span class="keywordflow">return</span> (fitness &lt;= 1e-4) || (<a class="code" href="classpopot_1_1problems_1_1Rastrigin.html#a2c4700d0c2532c15e5ff713d3214c492">count</a> &gt;= 10000*<a class="code" href="classpopot_1_1problems_1_1Rastrigin.html#a5f7af2002f79e946c5e293bf0d3a980f">dimension</a>);
<a name="l00258"></a>00258       }
<a name="l00259"></a>00259 
<a name="l00260"></a><a class="code" href="classpopot_1_1problems_1_1Rastrigin.html#ad94ce26e54b411d89618ee5be62734b0">00260</a>       <span class="keywordtype">double</span> <a class="code" href="classpopot_1_1problems_1_1Rastrigin.html#ad94ce26e54b411d89618ee5be62734b0">evaluate</a>(<span class="keywordtype">void</span> * x)
<a name="l00261"></a>00261       {
<a name="l00262"></a>00262         <span class="keywordtype">double</span> * params = (<span class="keywordtype">double</span>*) x;
<a name="l00263"></a>00263         <a class="code" href="classpopot_1_1problems_1_1Rastrigin.html#a2c4700d0c2532c15e5ff713d3214c492">count</a>++;
<a name="l00264"></a>00264         <span class="keywordtype">double</span> fit = 0.0;
<a name="l00265"></a>00265         <span class="keywordflow">for</span>(<span class="keywordtype">size_t</span> i = 0 ; i &lt; <a class="code" href="classpopot_1_1problems_1_1Rastrigin.html#a5f7af2002f79e946c5e293bf0d3a980f">dimension</a> ; ++i)
<a name="l00266"></a>00266           fit += pow(params[i],2.0) + 10.0*(1.0 - cos(2.0*M_PI*params[i]));
<a name="l00267"></a>00267         <span class="keywordflow">return</span> fit;
<a name="l00268"></a>00268       }
<a name="l00269"></a>00269     };
<a name="l00270"></a>00270 
<a name="l00277"></a>00277     <span class="keyword">class </span>Rosenbrock
<a name="l00278"></a>00278     {
<a name="l00279"></a>00279     <span class="keyword">public</span>:
<a name="l00280"></a><a class="code" href="classpopot_1_1problems_1_1Rosenbrock.html#a7bce76e4052107e4a6af506034f07792">00280</a>       <span class="keywordtype">size_t</span> <span class="keyword">const</span> <a class="code" href="classpopot_1_1problems_1_1Rosenbrock.html#a7bce76e4052107e4a6af506034f07792">dimension</a>;
<a name="l00281"></a><a class="code" href="classpopot_1_1problems_1_1Rosenbrock.html#a6fbf546430d863d3418ff22c59409f06">00281</a>       <span class="keywordtype">size_t</span> <a class="code" href="classpopot_1_1problems_1_1Rosenbrock.html#a6fbf546430d863d3418ff22c59409f06">count</a>;
<a name="l00282"></a>00282 
<a name="l00283"></a><a class="code" href="classpopot_1_1problems_1_1Rosenbrock.html#afe6bdbdfa27108309610b42cf623beea">00283</a>     <a class="code" href="classpopot_1_1problems_1_1Rosenbrock.html#afe6bdbdfa27108309610b42cf623beea">Rosenbrock</a>(<span class="keywordtype">int</span> <a class="code" href="classpopot_1_1problems_1_1Rosenbrock.html#a7bce76e4052107e4a6af506034f07792">dimension</a>) : dimension(dimension), <a class="code" href="classpopot_1_1problems_1_1Rosenbrock.html#a6fbf546430d863d3418ff22c59409f06">count</a>(0) {}
<a name="l00284"></a>00284 
<a name="l00285"></a><a class="code" href="classpopot_1_1problems_1_1Rosenbrock.html#aee0b01a0c5538a0acc036af1aa5874f6">00285</a>       <span class="keywordtype">double</span> <a class="code" href="classpopot_1_1problems_1_1Rosenbrock.html#aee0b01a0c5538a0acc036af1aa5874f6">get_lbound</a>(<span class="keywordtype">size_t</span> index)
<a name="l00286"></a>00286       {
<a name="l00287"></a>00287         <span class="keywordflow">return</span> -30;
<a name="l00288"></a>00288       }
<a name="l00289"></a>00289 
<a name="l00290"></a><a class="code" href="classpopot_1_1problems_1_1Rosenbrock.html#a176604bb6c3d1d44a3d182d949cb81ba">00290</a>       <span class="keywordtype">double</span> <a class="code" href="classpopot_1_1problems_1_1Rosenbrock.html#a176604bb6c3d1d44a3d182d949cb81ba">get_ubound</a>(<span class="keywordtype">size_t</span> index)
<a name="l00291"></a>00291       {
<a name="l00292"></a>00292         <span class="keywordflow">return</span> 30;
<a name="l00293"></a>00293       }
<a name="l00294"></a>00294         
<a name="l00295"></a><a class="code" href="classpopot_1_1problems_1_1Rosenbrock.html#aeb14e6715a01adcbf59c6f24977b4b40">00295</a>       <span class="keywordtype">bool</span> <a class="code" href="classpopot_1_1problems_1_1Rosenbrock.html#aeb14e6715a01adcbf59c6f24977b4b40">stop</a>(<span class="keywordtype">double</span> fitness, <span class="keywordtype">size_t</span> epoch)
<a name="l00296"></a>00296       {
<a name="l00297"></a>00297         <span class="keywordflow">return</span> (fitness &lt;= 100) || (<a class="code" href="classpopot_1_1problems_1_1Rosenbrock.html#a6fbf546430d863d3418ff22c59409f06">count</a> &gt;= 10000*<a class="code" href="classpopot_1_1problems_1_1Rosenbrock.html#a7bce76e4052107e4a6af506034f07792">dimension</a>);
<a name="l00298"></a>00298       }
<a name="l00299"></a>00299 
<a name="l00300"></a><a class="code" href="classpopot_1_1problems_1_1Rosenbrock.html#a488b77adcc748c255c8c8142eda62285">00300</a>       <span class="keywordtype">double</span> <a class="code" href="classpopot_1_1problems_1_1Rosenbrock.html#a488b77adcc748c255c8c8142eda62285">evaluate</a>(<span class="keywordtype">void</span> * x)
<a name="l00301"></a>00301       {
<a name="l00302"></a>00302         <span class="keywordtype">double</span> * params = (<span class="keywordtype">double</span>*) x;
<a name="l00303"></a>00303         <a class="code" href="classpopot_1_1problems_1_1Rosenbrock.html#a6fbf546430d863d3418ff22c59409f06">count</a>++;
<a name="l00304"></a>00304         <span class="keywordtype">double</span> fit = 0.0;
<a name="l00305"></a>00305         <span class="keywordtype">double</span> y_i, y_i_1;
<a name="l00306"></a>00306         <span class="keywordflow">for</span>(<span class="keywordtype">size_t</span> i = 0 ; i &lt; <a class="code" href="classpopot_1_1problems_1_1Rosenbrock.html#a7bce76e4052107e4a6af506034f07792">dimension</a>-1 ; ++i)
<a name="l00307"></a>00307           {
<a name="l00308"></a>00308             y_i = params[i];
<a name="l00309"></a>00309             y_i_1 = params[i+1];
<a name="l00310"></a>00310             fit += 100 * pow(y_i_1 - pow(y_i,2.0),2.0)+pow(y_i - 1.0,2.0);
<a name="l00311"></a>00311           }
<a name="l00312"></a>00312         <span class="keywordflow">return</span> fit;
<a name="l00313"></a>00313       }
<a name="l00314"></a>00314     };
<a name="l00315"></a>00315 
<a name="l00316"></a>00316     <span class="keyword">class </span>StaticRosenbrock
<a name="l00317"></a>00317     {
<a name="l00318"></a>00318     <span class="keyword">public</span>:
<a name="l00319"></a>00319 
<a name="l00320"></a><a class="code" href="classpopot_1_1problems_1_1StaticRosenbrock.html#ab34a4255b76d5df24b4f44e24cf486f3">00320</a>       <span class="keyword">static</span> <span class="keywordtype">double</span> <a class="code" href="classpopot_1_1problems_1_1StaticRosenbrock.html#ab34a4255b76d5df24b4f44e24cf486f3">get_lbound</a>(<span class="keywordtype">size_t</span> index)
<a name="l00321"></a>00321       {
<a name="l00322"></a>00322         <span class="keywordflow">return</span> -30;
<a name="l00323"></a>00323       }
<a name="l00324"></a>00324 
<a name="l00325"></a><a class="code" href="classpopot_1_1problems_1_1StaticRosenbrock.html#a9ccc0abc2fb22025f0ac94bb8e9165cc">00325</a>       <span class="keyword">static</span> <span class="keywordtype">double</span> <a class="code" href="classpopot_1_1problems_1_1StaticRosenbrock.html#a9ccc0abc2fb22025f0ac94bb8e9165cc">get_ubound</a>(<span class="keywordtype">size_t</span> index)
<a name="l00326"></a>00326       {
<a name="l00327"></a>00327         <span class="keywordflow">return</span> 30;
<a name="l00328"></a>00328       }
<a name="l00329"></a>00329         
<a name="l00330"></a><a class="code" href="classpopot_1_1problems_1_1StaticRosenbrock.html#a27c567ded372c4e8d9557311177855e9">00330</a>       <span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code" href="classpopot_1_1problems_1_1StaticRosenbrock.html#a27c567ded372c4e8d9557311177855e9">stop</a>(<span class="keywordtype">double</span> fitness, <span class="keywordtype">size_t</span> epoch)
<a name="l00331"></a>00331       {
<a name="l00332"></a>00332         <span class="keywordflow">return</span> (fitness &lt;= 100) || (epoch &gt;= 10000);
<a name="l00333"></a>00333       }
<a name="l00334"></a>00334 
<a name="l00335"></a><a class="code" href="classpopot_1_1problems_1_1StaticRosenbrock.html#a5e9815b55e4605eb45f23a740ddbda40">00335</a>       <span class="keyword">static</span> <span class="keywordtype">double</span> <a class="code" href="classpopot_1_1problems_1_1StaticRosenbrock.html#a5e9815b55e4605eb45f23a740ddbda40">evaluate</a>(<span class="keywordtype">double</span> * x, <span class="keywordtype">size_t</span> dimension)
<a name="l00336"></a>00336       {
<a name="l00337"></a>00337         <span class="keywordtype">double</span> fit = 0.0;
<a name="l00338"></a>00338         <span class="keywordtype">double</span> y_i, y_i_1;
<a name="l00339"></a>00339         <span class="keywordflow">for</span>(<span class="keywordtype">size_t</span> i = 0 ; i &lt; dimension-1 ; ++i)
<a name="l00340"></a>00340           {
<a name="l00341"></a>00341             y_i = x[i];
<a name="l00342"></a>00342             y_i_1 = x[i+1];
<a name="l00343"></a>00343             fit += 100 * pow(y_i_1 - pow(y_i,2.0),2.0)+pow(y_i - 1.0,2.0);
<a name="l00344"></a>00344           }
<a name="l00345"></a>00345         <span class="keywordflow">return</span> fit;
<a name="l00346"></a>00346       }
<a name="l00347"></a>00347     };
<a name="l00348"></a>00348 
<a name="l00349"></a>00349 
<a name="l00355"></a>00355     <span class="keyword">class </span>Schwefel1_2
<a name="l00356"></a>00356     {
<a name="l00357"></a>00357     <span class="keyword">public</span>:
<a name="l00358"></a><a class="code" href="classpopot_1_1problems_1_1Schwefel1__2.html#a32eae1c050596b058f3ec6329f14653c">00358</a>       <span class="keywordtype">size_t</span> <span class="keyword">const</span> <a class="code" href="classpopot_1_1problems_1_1Schwefel1__2.html#a32eae1c050596b058f3ec6329f14653c">dimension</a>;
<a name="l00359"></a><a class="code" href="classpopot_1_1problems_1_1Schwefel1__2.html#ae3c1ca4a065fe6e61b0405fd2316ac80">00359</a>       <span class="keywordtype">size_t</span> <a class="code" href="classpopot_1_1problems_1_1Schwefel1__2.html#ae3c1ca4a065fe6e61b0405fd2316ac80">count</a>;
<a name="l00360"></a>00360 
<a name="l00361"></a><a class="code" href="classpopot_1_1problems_1_1Schwefel1__2.html#ad86e0ee21cbefaccf1bad14072cf2149">00361</a>     <a class="code" href="classpopot_1_1problems_1_1Schwefel1__2.html#ad86e0ee21cbefaccf1bad14072cf2149">Schwefel1_2</a>(<span class="keywordtype">int</span> <a class="code" href="classpopot_1_1problems_1_1Schwefel1__2.html#a32eae1c050596b058f3ec6329f14653c">dimension</a>) : dimension(dimension), <a class="code" href="classpopot_1_1problems_1_1Schwefel1__2.html#ae3c1ca4a065fe6e61b0405fd2316ac80">count</a>(0) {}
<a name="l00362"></a>00362 
<a name="l00363"></a><a class="code" href="classpopot_1_1problems_1_1Schwefel1__2.html#ab3acb9f304295d7e890f14f4f2b6c347">00363</a>       <span class="keywordtype">double</span> <a class="code" href="classpopot_1_1problems_1_1Schwefel1__2.html#ab3acb9f304295d7e890f14f4f2b6c347">get_lbound</a>(<span class="keywordtype">size_t</span> index)
<a name="l00364"></a>00364       {
<a name="l00365"></a>00365         <span class="keywordflow">return</span> -500;
<a name="l00366"></a>00366       }
<a name="l00367"></a>00367 
<a name="l00368"></a><a class="code" href="classpopot_1_1problems_1_1Schwefel1__2.html#a0e74b4d854b66bf54784342228e1bfb8">00368</a>       <span class="keywordtype">double</span> <a class="code" href="classpopot_1_1problems_1_1Schwefel1__2.html#a0e74b4d854b66bf54784342228e1bfb8">get_ubound</a>(<span class="keywordtype">size_t</span> index)
<a name="l00369"></a>00369       {
<a name="l00370"></a>00370         <span class="keywordflow">return</span> 500;
<a name="l00371"></a>00371       }
<a name="l00372"></a>00372 
<a name="l00373"></a><a class="code" href="classpopot_1_1problems_1_1Schwefel1__2.html#ac000fe9a12fb7684923b2a1963d5259b">00373</a>       <span class="keywordtype">bool</span> <a class="code" href="classpopot_1_1problems_1_1Schwefel1__2.html#ac000fe9a12fb7684923b2a1963d5259b">stop</a>(<span class="keywordtype">double</span> fitness, <span class="keywordtype">size_t</span> epoch)
<a name="l00374"></a>00374       {
<a name="l00375"></a>00375         <span class="keywordflow">return</span> (fitness &lt;= 1e-4) || (<a class="code" href="classpopot_1_1problems_1_1Schwefel1__2.html#ae3c1ca4a065fe6e61b0405fd2316ac80">count</a> &gt;= 10000*<a class="code" href="classpopot_1_1problems_1_1Schwefel1__2.html#a32eae1c050596b058f3ec6329f14653c">dimension</a>);
<a name="l00376"></a>00376       }
<a name="l00377"></a>00377 
<a name="l00378"></a><a class="code" href="classpopot_1_1problems_1_1Schwefel1__2.html#acc99ea9e2a7f84e328286fe44afa1def">00378</a>       <span class="keywordtype">double</span> <a class="code" href="classpopot_1_1problems_1_1Schwefel1__2.html#acc99ea9e2a7f84e328286fe44afa1def">evaluate</a>(<span class="keywordtype">void</span> * x)
<a name="l00379"></a>00379       {
<a name="l00380"></a>00380         <span class="keywordtype">double</span> * params = (<span class="keywordtype">double</span>*) x;
<a name="l00381"></a>00381         <a class="code" href="classpopot_1_1problems_1_1Schwefel1__2.html#ae3c1ca4a065fe6e61b0405fd2316ac80">count</a>++;
<a name="l00382"></a>00382         <span class="keywordtype">double</span> fit = 0.0;
<a name="l00383"></a>00383         <span class="keywordtype">double</span> sum = 0.0;
<a name="l00384"></a>00384         <span class="keywordflow">for</span>(<span class="keywordtype">size_t</span> i = 0 ; i &lt; <a class="code" href="classpopot_1_1problems_1_1Schwefel1__2.html#a32eae1c050596b058f3ec6329f14653c">dimension</a> ; ++i)
<a name="l00385"></a>00385           {
<a name="l00386"></a>00386             sum += params[i];
<a name="l00387"></a>00387             fit += pow(sum, 2.0);
<a name="l00388"></a>00388           }
<a name="l00389"></a>00389         <span class="keywordflow">return</span> fit;
<a name="l00390"></a>00390       }
<a name="l00391"></a>00391     };
<a name="l00392"></a>00392 
<a name="l00398"></a>00398     <span class="keyword">class </span>Schwefel
<a name="l00399"></a>00399     {
<a name="l00400"></a>00400     <span class="keyword">public</span>:
<a name="l00401"></a><a class="code" href="classpopot_1_1problems_1_1Schwefel.html#a3d3e0fe186f1148288a2969b20ded4f5">00401</a>       <span class="keywordtype">size_t</span> <span class="keyword">const</span> <a class="code" href="classpopot_1_1problems_1_1Schwefel.html#a3d3e0fe186f1148288a2969b20ded4f5">dimension</a>;
<a name="l00402"></a><a class="code" href="classpopot_1_1problems_1_1Schwefel.html#a7b4c2f926c3279f5157ade638cb6e2d6">00402</a>       <span class="keywordtype">size_t</span> <a class="code" href="classpopot_1_1problems_1_1Schwefel.html#a7b4c2f926c3279f5157ade638cb6e2d6">count</a>;
<a name="l00403"></a>00403 
<a name="l00404"></a><a class="code" href="classpopot_1_1problems_1_1Schwefel.html#a0c00b2fbfedcbecdf79093df520f1035">00404</a>     <a class="code" href="classpopot_1_1problems_1_1Schwefel.html#a0c00b2fbfedcbecdf79093df520f1035">Schwefel</a>(<span class="keywordtype">int</span> <a class="code" href="classpopot_1_1problems_1_1Schwefel.html#a3d3e0fe186f1148288a2969b20ded4f5">dimension</a>) : dimension(dimension), <a class="code" href="classpopot_1_1problems_1_1Schwefel.html#a7b4c2f926c3279f5157ade638cb6e2d6">count</a>(0) {}
<a name="l00405"></a>00405 
<a name="l00406"></a><a class="code" href="classpopot_1_1problems_1_1Schwefel.html#ac38b96834d5b7895d6f8b36f8c4cc2f3">00406</a>       <span class="keywordtype">double</span> <a class="code" href="classpopot_1_1problems_1_1Schwefel.html#ac38b96834d5b7895d6f8b36f8c4cc2f3">get_lbound</a>(<span class="keywordtype">size_t</span> index)
<a name="l00407"></a>00407       {
<a name="l00408"></a>00408         <span class="keywordflow">return</span> -500;
<a name="l00409"></a>00409       }
<a name="l00410"></a>00410 
<a name="l00411"></a><a class="code" href="classpopot_1_1problems_1_1Schwefel.html#a174a0584b74c8601c75752380477ddad">00411</a>       <span class="keywordtype">double</span> <a class="code" href="classpopot_1_1problems_1_1Schwefel.html#a174a0584b74c8601c75752380477ddad">get_ubound</a>(<span class="keywordtype">size_t</span> index)
<a name="l00412"></a>00412       {
<a name="l00413"></a>00413         <span class="keywordflow">return</span> 500;
<a name="l00414"></a>00414       }
<a name="l00415"></a>00415 
<a name="l00416"></a><a class="code" href="classpopot_1_1problems_1_1Schwefel.html#a1f92c9bfa9855308fd4d882baa23ae41">00416</a>       <span class="keywordtype">bool</span> <a class="code" href="classpopot_1_1problems_1_1Schwefel.html#a1f92c9bfa9855308fd4d882baa23ae41">stop</a>(<span class="keywordtype">double</span> fitness, <span class="keywordtype">size_t</span> epoch)
<a name="l00417"></a>00417       {
<a name="l00418"></a>00418         <span class="keywordflow">return</span> (fitness &lt;= 1e-4) || (<a class="code" href="classpopot_1_1problems_1_1Schwefel.html#a7b4c2f926c3279f5157ade638cb6e2d6">count</a> &gt;= 10000*<a class="code" href="classpopot_1_1problems_1_1Schwefel.html#a3d3e0fe186f1148288a2969b20ded4f5">dimension</a>);
<a name="l00419"></a>00419       }
<a name="l00420"></a>00420 
<a name="l00421"></a><a class="code" href="classpopot_1_1problems_1_1Schwefel.html#af281780115960e33ec49907c708e8992">00421</a>       <span class="keywordtype">double</span> <a class="code" href="classpopot_1_1problems_1_1Schwefel.html#af281780115960e33ec49907c708e8992">evaluate</a>(<span class="keywordtype">void</span> * x)
<a name="l00422"></a>00422       {
<a name="l00423"></a>00423         <span class="keywordtype">double</span> * params = (<span class="keywordtype">double</span>*) x;
<a name="l00424"></a>00424         <a class="code" href="classpopot_1_1problems_1_1Schwefel.html#a7b4c2f926c3279f5157ade638cb6e2d6">count</a>++;
<a name="l00425"></a>00425         <span class="keywordtype">double</span> fit = 418.9829 * <a class="code" href="classpopot_1_1problems_1_1Schwefel.html#a3d3e0fe186f1148288a2969b20ded4f5">dimension</a>;
<a name="l00426"></a>00426         <span class="keywordflow">for</span>(<span class="keywordtype">size_t</span> i = 0 ; i &lt; <a class="code" href="classpopot_1_1problems_1_1Schwefel.html#a3d3e0fe186f1148288a2969b20ded4f5">dimension</a> ; ++i)
<a name="l00427"></a>00427           {
<a name="l00428"></a>00428             fit += -params[i]*sin(sqrt(fabs(params[i])));
<a name="l00429"></a>00429           }
<a name="l00430"></a>00430         <span class="keywordflow">return</span> fit;
<a name="l00431"></a>00431       }
<a name="l00432"></a>00432     };
<a name="l00433"></a>00433 
<a name="l00439"></a>00439     <span class="keyword">class </span>Salomon
<a name="l00440"></a>00440     {
<a name="l00441"></a>00441     <span class="keyword">public</span>:
<a name="l00442"></a><a class="code" href="classpopot_1_1problems_1_1Salomon.html#ab97bdb0e130c952695bb5a05d9e9cc7c">00442</a>       <span class="keywordtype">size_t</span> <span class="keyword">const</span> <a class="code" href="classpopot_1_1problems_1_1Salomon.html#ab97bdb0e130c952695bb5a05d9e9cc7c">dimension</a>;
<a name="l00443"></a><a class="code" href="classpopot_1_1problems_1_1Salomon.html#a923da42202c3bd9600a7ec806f23553c">00443</a>       <span class="keywordtype">size_t</span> <a class="code" href="classpopot_1_1problems_1_1Salomon.html#a923da42202c3bd9600a7ec806f23553c">count</a>;
<a name="l00444"></a>00444 
<a name="l00445"></a><a class="code" href="classpopot_1_1problems_1_1Salomon.html#ab779d4583e4c77d4396fc0a5e20f99c6">00445</a>     <a class="code" href="classpopot_1_1problems_1_1Salomon.html#ab779d4583e4c77d4396fc0a5e20f99c6">Salomon</a>(<span class="keywordtype">int</span> <a class="code" href="classpopot_1_1problems_1_1Salomon.html#ab97bdb0e130c952695bb5a05d9e9cc7c">dimension</a>) : dimension(dimension), <a class="code" href="classpopot_1_1problems_1_1Salomon.html#a923da42202c3bd9600a7ec806f23553c">count</a>(0) {}
<a name="l00446"></a>00446 
<a name="l00447"></a><a class="code" href="classpopot_1_1problems_1_1Salomon.html#a2df15a50a5196d30cc18f1444922c6d9">00447</a>       <span class="keywordtype">double</span> <a class="code" href="classpopot_1_1problems_1_1Salomon.html#a2df15a50a5196d30cc18f1444922c6d9">get_lbound</a>(<span class="keywordtype">size_t</span> index)
<a name="l00448"></a>00448       {
<a name="l00449"></a>00449         <span class="keywordflow">return</span> -600;
<a name="l00450"></a>00450       }
<a name="l00451"></a>00451 
<a name="l00452"></a><a class="code" href="classpopot_1_1problems_1_1Salomon.html#a69bbe71c825af6e38cd372a25f870592">00452</a>       <span class="keywordtype">double</span> <a class="code" href="classpopot_1_1problems_1_1Salomon.html#a69bbe71c825af6e38cd372a25f870592">get_ubound</a>(<span class="keywordtype">size_t</span> index)
<a name="l00453"></a>00453       {
<a name="l00454"></a>00454         <span class="keywordflow">return</span> 600;
<a name="l00455"></a>00455       }
<a name="l00456"></a>00456 
<a name="l00457"></a><a class="code" href="classpopot_1_1problems_1_1Salomon.html#ab52edd883ae02e55c99b5fd4c2729563">00457</a>       <span class="keywordtype">bool</span> <a class="code" href="classpopot_1_1problems_1_1Salomon.html#ab52edd883ae02e55c99b5fd4c2729563">stop</a>(<span class="keywordtype">double</span> fitness, <span class="keywordtype">size_t</span> epoch)
<a name="l00458"></a>00458       {
<a name="l00459"></a>00459         <span class="keywordflow">return</span> (fitness &lt;= 1e-4) || (<a class="code" href="classpopot_1_1problems_1_1Salomon.html#a923da42202c3bd9600a7ec806f23553c">count</a> &gt;= 10000*<a class="code" href="classpopot_1_1problems_1_1Salomon.html#ab97bdb0e130c952695bb5a05d9e9cc7c">dimension</a>);
<a name="l00460"></a>00460       }
<a name="l00461"></a>00461 
<a name="l00462"></a><a class="code" href="classpopot_1_1problems_1_1Salomon.html#a3c1f85e38c27293e229872409b441757">00462</a>       <span class="keywordtype">double</span> <a class="code" href="classpopot_1_1problems_1_1Salomon.html#a3c1f85e38c27293e229872409b441757">evaluate</a>(<span class="keywordtype">void</span> * x)
<a name="l00463"></a>00463       {
<a name="l00464"></a>00464         <span class="keywordtype">double</span> * params = (<span class="keywordtype">double</span>*) x;
<a name="l00465"></a>00465         <a class="code" href="classpopot_1_1problems_1_1Salomon.html#a923da42202c3bd9600a7ec806f23553c">count</a>++;
<a name="l00466"></a>00466         <span class="keywordtype">double</span> fit = 0.0;
<a name="l00467"></a>00467         <span class="keywordtype">double</span> sum_sq = 0.0;
<a name="l00468"></a>00468         <span class="keywordflow">for</span>(<span class="keywordtype">size_t</span> i = 0 ; i &lt; <a class="code" href="classpopot_1_1problems_1_1Salomon.html#ab97bdb0e130c952695bb5a05d9e9cc7c">dimension</a> ; ++i)
<a name="l00469"></a>00469           {
<a name="l00470"></a>00470             sum_sq += pow(params[i],2.0);
<a name="l00471"></a>00471           }
<a name="l00472"></a>00472         fit = -cos(2.0 * M_PI * sum_sq) + 0.1 * sqrt(sum_sq) + 1.0;
<a name="l00473"></a>00473         <span class="keywordflow">return</span> fit;
<a name="l00474"></a>00474       }
<a name="l00475"></a>00475     };
<a name="l00476"></a>00476 
<a name="l00482"></a>00482     <span class="keyword">class </span>Dropwave
<a name="l00483"></a>00483     {
<a name="l00484"></a>00484     <span class="keyword">public</span>:
<a name="l00485"></a><a class="code" href="classpopot_1_1problems_1_1Dropwave.html#a9fb65a2378c7869512d765a60d6c6985">00485</a>       <span class="keywordtype">size_t</span> <span class="keyword">const</span> <a class="code" href="classpopot_1_1problems_1_1Dropwave.html#a9fb65a2378c7869512d765a60d6c6985">dimension</a>;
<a name="l00486"></a><a class="code" href="classpopot_1_1problems_1_1Dropwave.html#aa29511c4fb3f4ac9aab3d0d9fbe14363">00486</a>       <span class="keywordtype">size_t</span> <a class="code" href="classpopot_1_1problems_1_1Dropwave.html#aa29511c4fb3f4ac9aab3d0d9fbe14363">count</a>;
<a name="l00487"></a>00487       
<a name="l00488"></a><a class="code" href="classpopot_1_1problems_1_1Dropwave.html#ad2f085f33951138fe1f8841df31f92fb">00488</a>     <a class="code" href="classpopot_1_1problems_1_1Dropwave.html#ad2f085f33951138fe1f8841df31f92fb">Dropwave</a>() : <a class="code" href="classpopot_1_1problems_1_1Dropwave.html#a9fb65a2378c7869512d765a60d6c6985">dimension</a>(2), <a class="code" href="classpopot_1_1problems_1_1Dropwave.html#aa29511c4fb3f4ac9aab3d0d9fbe14363">count</a>(0) {}
<a name="l00489"></a>00489       
<a name="l00490"></a><a class="code" href="classpopot_1_1problems_1_1Dropwave.html#ae0d75cde10c9fc01211f9b9e336ccf09">00490</a>       <span class="keywordtype">double</span> <a class="code" href="classpopot_1_1problems_1_1Dropwave.html#ae0d75cde10c9fc01211f9b9e336ccf09">get_lbound</a>(<span class="keywordtype">size_t</span> index) 
<a name="l00491"></a>00491       { 
<a name="l00492"></a>00492         <span class="keywordflow">return</span> -5.12;
<a name="l00493"></a>00493       }
<a name="l00494"></a>00494 
<a name="l00495"></a><a class="code" href="classpopot_1_1problems_1_1Dropwave.html#aa33b00ccdf0046779c7649cc6c54655a">00495</a>       <span class="keywordtype">double</span> <a class="code" href="classpopot_1_1problems_1_1Dropwave.html#aa33b00ccdf0046779c7649cc6c54655a">get_ubound</a>(<span class="keywordtype">size_t</span> index) 
<a name="l00496"></a>00496       { 
<a name="l00497"></a>00497         <span class="keywordflow">return</span> 5.12;
<a name="l00498"></a>00498       }
<a name="l00499"></a>00499 
<a name="l00500"></a><a class="code" href="classpopot_1_1problems_1_1Dropwave.html#a7a5e85b2841f35afd6c7c6bc2b130cd5">00500</a>       <span class="keywordtype">bool</span> <a class="code" href="classpopot_1_1problems_1_1Dropwave.html#a7a5e85b2841f35afd6c7c6bc2b130cd5">stop</a>(<span class="keywordtype">double</span> fitness, <span class="keywordtype">size_t</span> epoch) 
<a name="l00501"></a>00501       {
<a name="l00502"></a>00502         <span class="keywordflow">return</span> (fitness &lt;= -1.0+1e-4) || (<a class="code" href="classpopot_1_1problems_1_1Dropwave.html#aa29511c4fb3f4ac9aab3d0d9fbe14363">count</a> &gt;= 20000);
<a name="l00503"></a>00503       }
<a name="l00504"></a>00504 
<a name="l00505"></a><a class="code" href="classpopot_1_1problems_1_1Dropwave.html#a1883121800b2e1c471c10493e7d8efcf">00505</a>       <span class="keywordtype">double</span> <a class="code" href="classpopot_1_1problems_1_1Dropwave.html#a1883121800b2e1c471c10493e7d8efcf">evaluate</a>(<span class="keywordtype">void</span> * x){
<a name="l00506"></a>00506         <span class="keywordtype">double</span> * params = (<span class="keywordtype">double</span>*) x;
<a name="l00507"></a>00507         <a class="code" href="classpopot_1_1problems_1_1Dropwave.html#aa29511c4fb3f4ac9aab3d0d9fbe14363">count</a>++;
<a name="l00508"></a>00508         <span class="keywordflow">return</span> -(1.0 + cos(12.0*sqrt(pow(params[0],2.0) + pow(params[1],2.0))))
<a name="l00509"></a>00509           / (0.5 * (pow(params[0],2.0) + pow(params[1],2.0))+2.0);
<a name="l00510"></a>00510       }
<a name="l00511"></a>00511     };
<a name="l00512"></a>00512 
<a name="l00513"></a>00513 
<a name="l00514"></a>00514     <span class="comment">// The test functions of the CEC2005 benchmark</span>
<a name="l00515"></a>00515     <span class="comment">// &quot;Problem Definitions and Evaluation Criteria for the CEC 2005 Special Session on Real-Parameter Optimization&quot;, 2005</span>
<a name="l00516"></a>00516     <span class="comment">// P. N. Suganthan, N. Hansen, J. J. Liang, K. Deb, Y. -P. Chen, A. Auger, S. Tiwari</span>
<a name="l00517"></a><a class="code" href="namespacepopot_1_1problems_1_1CEC2005.html">00517</a>     <span class="keyword">namespace </span>CEC2005
<a name="l00518"></a>00518     {
<a name="l00519"></a>00519     }
<a name="l00520"></a>00520 
<a name="l00524"></a><a class="code" href="namespacepopot_1_1problems_1_1BBOB.html">00524</a>     <span class="keyword">namespace </span>BBOB
<a name="l00525"></a>00525     {
<a name="l00526"></a>00526     }
<a name="l00527"></a>00527 
<a name="l00531"></a><a class="code" href="namespacepopot_1_1problems_1_1SPSO2011Bench.html">00531</a>     <span class="keyword">namespace </span>SPSO2011Bench
<a name="l00532"></a>00532     {
<a name="l00533"></a>00533 
<a name="l00540"></a>00540         <span class="keyword">class </span><a class="code" href="classpopot_1_1problems_1_1SPSO2011Bench_1_1Rosenbrock.html" title=" with  Bounds [-30,30]">Rosenbrock</a>
<a name="l00541"></a>00541         {
<a name="l00542"></a>00542         <span class="keyword">public</span>:
<a name="l00543"></a><a class="code" href="classpopot_1_1problems_1_1SPSO2011Bench_1_1Rosenbrock.html#ad7517b45f10e61ff7257af498f682fcc">00543</a>           <span class="keywordtype">size_t</span> <span class="keyword">const</span> <a class="code" href="classpopot_1_1problems_1_1SPSO2011Bench_1_1Rosenbrock.html#ad7517b45f10e61ff7257af498f682fcc">dimension</a>;
<a name="l00544"></a><a class="code" href="classpopot_1_1problems_1_1SPSO2011Bench_1_1Rosenbrock.html#af62061c48b6dcefcfbe8a1f4a08dfaa4">00544</a>           <span class="keywordtype">size_t</span> <a class="code" href="classpopot_1_1problems_1_1SPSO2011Bench_1_1Rosenbrock.html#af62061c48b6dcefcfbe8a1f4a08dfaa4">count</a>;
<a name="l00545"></a>00545 
<a name="l00546"></a><a class="code" href="classpopot_1_1problems_1_1SPSO2011Bench_1_1Rosenbrock.html#a1975b87d39c5a70eab6550d9004d24ac">00546</a>         <a class="code" href="classpopot_1_1problems_1_1SPSO2011Bench_1_1Rosenbrock.html#a1975b87d39c5a70eab6550d9004d24ac">Rosenbrock</a>(<span class="keywordtype">int</span> <a class="code" href="classpopot_1_1problems_1_1SPSO2011Bench_1_1Rosenbrock.html#ad7517b45f10e61ff7257af498f682fcc">dimension</a>) : dimension(dimension), <a class="code" href="classpopot_1_1problems_1_1SPSO2011Bench_1_1Rosenbrock.html#af62061c48b6dcefcfbe8a1f4a08dfaa4">count</a>(0) {}
<a name="l00547"></a>00547 
<a name="l00548"></a><a class="code" href="classpopot_1_1problems_1_1SPSO2011Bench_1_1Rosenbrock.html#afb8975d0ef8951f2633b92d3876a3b6e">00548</a>           <span class="keywordtype">double</span> <a class="code" href="classpopot_1_1problems_1_1SPSO2011Bench_1_1Rosenbrock.html#afb8975d0ef8951f2633b92d3876a3b6e">get_lbound</a>(<span class="keywordtype">size_t</span> index)
<a name="l00549"></a>00549           {
<a name="l00550"></a>00550             <span class="keywordflow">return</span> -30;
<a name="l00551"></a>00551           }
<a name="l00552"></a>00552 
<a name="l00553"></a><a class="code" href="classpopot_1_1problems_1_1SPSO2011Bench_1_1Rosenbrock.html#ab4e5392e2ff2c3c5e214654f225165ce">00553</a>           <span class="keywordtype">double</span> <a class="code" href="classpopot_1_1problems_1_1SPSO2011Bench_1_1Rosenbrock.html#ab4e5392e2ff2c3c5e214654f225165ce">get_ubound</a>(<span class="keywordtype">size_t</span> index)
<a name="l00554"></a>00554           {
<a name="l00555"></a>00555             <span class="keywordflow">return</span> 30;
<a name="l00556"></a>00556           }
<a name="l00557"></a>00557         
<a name="l00558"></a><a class="code" href="classpopot_1_1problems_1_1SPSO2011Bench_1_1Rosenbrock.html#a878054981a0791eba919b8ce1278358f">00558</a>           <span class="keywordtype">bool</span> <a class="code" href="classpopot_1_1problems_1_1SPSO2011Bench_1_1Rosenbrock.html#a878054981a0791eba919b8ce1278358f">stop</a>(<span class="keywordtype">double</span> fitness, <span class="keywordtype">size_t</span> epoch)
<a name="l00559"></a>00559           {
<a name="l00560"></a>00560           <span class="keywordflow">return</span> (fitness &lt;= 1e-10) || (<a class="code" href="classpopot_1_1problems_1_1SPSO2011Bench_1_1Rosenbrock.html#af62061c48b6dcefcfbe8a1f4a08dfaa4">count</a> &gt;= 10000*<a class="code" href="classpopot_1_1problems_1_1SPSO2011Bench_1_1Rosenbrock.html#ad7517b45f10e61ff7257af498f682fcc">dimension</a>);
<a name="l00561"></a>00561           }
<a name="l00562"></a>00562 
<a name="l00563"></a><a class="code" href="classpopot_1_1problems_1_1SPSO2011Bench_1_1Rosenbrock.html#a7e0fca8bce4148ebb486f8f9ba7242cc">00563</a>           <span class="keywordtype">double</span> <a class="code" href="classpopot_1_1problems_1_1SPSO2011Bench_1_1Rosenbrock.html#a7e0fca8bce4148ebb486f8f9ba7242cc">evaluate</a>(<span class="keywordtype">void</span> * x)
<a name="l00564"></a>00564           {
<a name="l00565"></a>00565             <span class="keywordtype">double</span> * params = (<span class="keywordtype">double</span>*) x;
<a name="l00566"></a>00566             <a class="code" href="classpopot_1_1problems_1_1SPSO2011Bench_1_1Rosenbrock.html#af62061c48b6dcefcfbe8a1f4a08dfaa4">count</a>++;
<a name="l00567"></a>00567             <span class="keywordtype">double</span> fit = 0.0;
<a name="l00568"></a>00568             <span class="keywordtype">double</span> y_i, y_i_1;
<a name="l00569"></a>00569             <span class="keywordflow">for</span>(<span class="keywordtype">size_t</span> i = 0 ; i &lt; <a class="code" href="classpopot_1_1problems_1_1SPSO2011Bench_1_1Rosenbrock.html#ad7517b45f10e61ff7257af498f682fcc">dimension</a>-1 ; ++i)
<a name="l00570"></a>00570               {
<a name="l00571"></a>00571                 y_i = params[i]+1;
<a name="l00572"></a>00572                 y_i_1 = params[i+1]+1;
<a name="l00573"></a>00573                 fit += 100 * pow(y_i_1 - pow(y_i,2.0),2.0)+pow(y_i - 1.0,2.0);
<a name="l00574"></a>00574               }
<a name="l00575"></a>00575             <span class="keywordflow">return</span> fit;
<a name="l00576"></a>00576           }
<a name="l00577"></a>00577         };
<a name="l00578"></a>00578 
<a name="l00579"></a>00579     }
<a name="l00580"></a>00580 
<a name="l00581"></a>00581   } <span class="comment">// namespace problems</span>
<a name="l00582"></a>00582 } <span class="comment">// namespace popot</span>
<a name="l00583"></a>00583 
<a name="l00584"></a>00584 <span class="preprocessor">#endif // POPOT_PROBLEMS_H</span>
</pre></div></div>
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